石膏板木墙的抗震支撑性能

Angela Liu, D. Carradine
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引用次数: 6

摘要

本研究的目标是开发石膏板护木墙的货架模型,作为新西兰低层轻木结构(LTF)住宅建筑基于性能的抗震工程的一部分。新西兰的住宅建筑主要是独立的低层LTF建筑,其支撑元素通常是石膏板覆盖的LTF墙壁。能够模拟石膏板墙体的货架性能是LTF建筑基于性能的抗震设计的重要组成部分。本研究收集并研究了12个石膏板墙体的机架试验结果,以深入了解石膏板护套LTF墙体的抗震性能。从刚度/强度退化、位移能力、叠加适用性和破坏机制等方面考察了这些墙体的货架性能。在此基础上,建立了LTF石膏板墙体货架性能的数学分析模型。所建立的搁架模型是一种封闭型墙体模型,可方便地用于LTF建筑抗震性能的三维非线性推倒研究。
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Seismic bracing performance of plasterboard timber walls
The goal of this study is to develop a racking model of plasterboard-sheathed timber walls as part of the efforts towards performance-based seismic engineering of low-rise light timber-framed (LTF) residential buildings in New Zealand. Residential buildings in New Zealand are primarily stand-alone low-rise LTF buildings, and their bracing elements are commonly plasterboard-sheathed LTF walls. It is an essential part of performance-based seismic designs of LTF buildings to be able to simulate the racking performance of plasterboard walls. In this study, racking test results of 12 plasterboard walls were collected and studied to gain insight into the seismic performance of plasterboard-sheathed LTF walls. The racking performance of these walls was examined in terms of stiffness/strength degradation, displacement capacity, superposition applicability and failure mechanisms. Subsequently, a mathematical analysis model for simulating racking performance of LTF plasterboard walls is developed and presented. The developed racking model is a closed-form wall model and could be easily used for conducting three-dimensional non-linear push-over studies of seismic performance of LTF buildings.
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来源期刊
CiteScore
2.50
自引率
17.60%
发文量
14
期刊最新文献
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